Home / 1,225,816.12-1,834,922.58-663,455.80

Finding the Fourth Proportional to 1,225,816.12, 1,834,922.58 and 663,455.80

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Solution

The fourth proportional to 1,225,816.12, 1,834,922.58 and 663,455.80 is: 993,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,816.12 : 1,834,922.58 = 663,455.80 : x
  2. Step 2: Convert to fraction form
    1,225,816.12/1,834,922.58 = 663,455.80/x
  3. Step 3: Cross multiply
    1,225,816.12x = 1,834,922.58 × 663,455.80
  4. Step 4: Simplify right side
    1,225,816.12x = 1,217,390,028,251.96
  5. Step 5: Solve for x
    x = 1,217,390,028,251.96/1,225,816.12
  6. Step 6: Final answer
    x = 993,126.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.